52302245 has 8 divisors (see below), whose sum is σ = 62942616. Its totient is φ = 41721856.

The previous prime is 52302241. The next prime is 52302247. The reversal of 52302245 is 54220325.

It can be written as a sum of positive squares in 4 ways, for example, as 17986081 + 34316164 = 4241^2 + 5858^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52302245 - 2² = 52302241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52302245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52302241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13052 + ... + 16581.

It is an arithmetic number, because the mean of its divisors is an integer number (7867827).

Almost surely, 2^52302245 is an apocalyptic number.

It is an amenable number.

52302245 is a deficient number, since it is larger than the sum of its proper divisors (10640371).

52302245 is a wasteful number, since it uses less digits than its factorization.

52302245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29991.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 52302245 is about 7232.0291066892. The cubic root of 52302245 is about 373.9728811587.

The spelling of 52302245 in words is "fifty-two million, three hundred two thousand, two hundred forty-five".